A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Shaped protection device for rotary digging hole-forming cast-in-place pile hole opening
A shaped protection device for a rotary digging hole-forming cast-in-place pile hole opening comprises a reinforcement cage and a plurality of n-shaped reinforcement nails, and is characterized in that the reinforcement cage is a reinforcement cage support with a large upper opening and a small lower opening, the upper portion of the reinforcement cage support is a cylindrical reinforcement cage, the bottom end of the cylindrical reinforcement cage is provided with a bottom ring circular ring, and the n-shaped reinforcement nails are steel bars with the diameter larger than or equal to 10 mm and the length of 300 mm; wherein the diameter of the circular ring is 200mm larger than the aperture width of the cast-in-place pile, and the diameter of the circular ring of the bottom ring is 200mm narrower than the aperture width of The shaped protection device for the rotary digging hole-forming cast-in-place pile hole opening has the advantages that the protection device is simple in structure, convenient to manufacture and move and good in protection effect, unsafe accidents are eradicated, concrete can be poured under the condition that the protection device is not dismantled, and time and labor are saved.
一种用于旋挖成孔灌注桩孔口定型化防护装置，包括钢筋笼、若干Π形钢筋钉，其特征在于：所述钢筋笼为上口大下口小的钢筋笼支架，钢筋笼支架的上部为圆柱形钢筋笼，圆柱形钢筋笼的底端设有底圈圆环所述Π形钢筋钉为直径≥10mm、长300mm钢筋，其中：圆环的直径大于灌注桩孔径宽200mm，底圈圆环的直径灌注桩孔径窄200mm。本发明的用于旋挖成孔灌注桩孔口定型化防护装置具有防护装置结构简单、制作方便，防护装置移动便捷，防护效果好，杜绝了不安全事故的发生，可以不拆除防护装置的情况下浇筑混凝土和起到省时省工的优点。
Shaped protection device for rotary digging hole-forming cast-in-place pile hole opening
A shaped protection device for a rotary digging hole-forming cast-in-place pile hole opening comprises a reinforcement cage and a plurality of n-shaped reinforcement nails, and is characterized in that the reinforcement cage is a reinforcement cage support with a large upper opening and a small lower opening, the upper portion of the reinforcement cage support is a cylindrical reinforcement cage, the bottom end of the cylindrical reinforcement cage is provided with a bottom ring circular ring, and the n-shaped reinforcement nails are steel bars with the diameter larger than or equal to 10 mm and the length of 300 mm; wherein the diameter of the circular ring is 200mm larger than the aperture width of the cast-in-place pile, and the diameter of the circular ring of the bottom ring is 200mm narrower than the aperture width of The shaped protection device for the rotary digging hole-forming cast-in-place pile hole opening has the advantages that the protection device is simple in structure, convenient to manufacture and move and good in protection effect, unsafe accidents are eradicated, concrete can be poured under the condition that the protection device is not dismantled, and time and labor are saved.
一种用于旋挖成孔灌注桩孔口定型化防护装置，包括钢筋笼、若干Π形钢筋钉，其特征在于：所述钢筋笼为上口大下口小的钢筋笼支架，钢筋笼支架的上部为圆柱形钢筋笼，圆柱形钢筋笼的底端设有底圈圆环所述Π形钢筋钉为直径≥10mm、长300mm钢筋，其中：圆环的直径大于灌注桩孔径宽200mm，底圈圆环的直径灌注桩孔径窄200mm。本发明的用于旋挖成孔灌注桩孔口定型化防护装置具有防护装置结构简单、制作方便，防护装置移动便捷，防护效果好，杜绝了不安全事故的发生，可以不拆除防护装置的情况下浇筑混凝土和起到省时省工的优点。
Shaped protection device for rotary digging hole-forming cast-in-place pile hole opening
一种用于旋挖成孔灌注桩孔口定型化防护装置
JIANG JICAI (author)
2022-08-30
Patent
Electronic Resource
Chinese
Complex geological rotary digging hole-forming cast-in-place pile and construction method
| European Patent Office | 2024
Rotary digging hole-forming cast-in-place pile construction structure and method thereof
| European Patent Office | 2024
Construction method and system for rotary digging hole-forming cast-in-place pile
| European Patent Office | 2023
Large-area rockfill area rotary digging hole-forming cast-in-place pile construction technology
| European Patent Office | 2024